Kim Kardashian and John Mayer have gone out on a few dates and reportedly "hit it off."

A source says it's "nothing serious" by Kim thinks John is a "really cool guy." Cue the tabloid stories about Kim's "dangerous" romance and penchant for dating bad boys. [TMZ]

Sources are denying that the cut on Christina Aguilera's lip was the result of domestic violence. [TMZ]

Christina Aguilera tells Redbook that "there have been a lot of tears and sadness," but she's getting through it with the support of friends and family. "On days when it feels impossible to even get out of bed, much less function as a mother, their support and encouragement have kept me moving forward." [Us]

Dina Lohan visited Lindsay Lohan in rehab yesterday. A source reports, "It's been very hard on her. She's trying to be a good parent for all of her kids while she has to be away from them. But she has to be near Lindsay right now so she's struggling to balance all of her kids' needs." [Radar]

The California Highway Patrol has determined that an unsafe turn was to blame for plastic surgeon Dr. Frank Ryan's death. [AP]

Guests on the first week of Conan O'Brien's TBS show will include Seth Rogen, Jon Hamm, and Tom Hanks. [The Wrap]

During his first trip to L.A. Antoine Dodson wore awesome sunglasses and told the paparazzi that all his "Bed Intruder" Halloween costumes are sold out. [TMZ]

Oksana Grigorieva says her former bodyguard's claim that they had a relationship is "ridiculous." [TMZ]

Radar reports that Sonja Morgan of RHONY, who was arrested on drunk driving charges this summer, drank a lot last night, but it's unclear why this is news since it seems she didn't drive herself home. [Radar]

The family of the kid who says he was assaulted by Jodie Foster is planning to sue. They said in a statement, "We have retained an attorney to proceed with a civil suit against Jodie Foster for her assault since justice was not served by the DA's office." [Radar]

Lady Gaga and Elton John will record a duet called, "Hello, Hello." It will appear on the soundtrack for the Disney film Gnomeo & Juliet, which is being produced by Elton's partner David Furnish. [EW]